The winning New York Numbers numbers for May 21, 2006 were: midday 7-8-1; evening 2-1-6.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| May 21, 2006 | Evening | 2-1-6 | 9 | 9 |
| May 21, 2006 | Midday | 7-8-1 | 16 | 7 |
| May 20, 2006 | Evening | 7-1-7 | 15 | 6 |
| May 20, 2006 | Midday | 8-9-9 | 26 | 8 |
| May 19, 2006 | Evening | 6-2-4 | 12 | 3 |
| May 19, 2006 | Midday | 0-0-2 | 2 | 2 |
| May 18, 2006 | Evening | 9-7-5 | 21 | 3 |
| May 18, 2006 | Midday | 1-8-8 | 17 | 8 |
| May 17, 2006 | Evening | 6-4-7 | 17 | 8 |
| May 17, 2006 | Midday | 4-1-2 | 7 | 7 |
| May 16, 2006 | Evening | 1-9-0 | 10 | 1 |
| May 16, 2006 | Midday | 6-1-7 | 14 | 5 |
| May 15, 2006 | Evening | 1-5-1 | 7 | 7 |
| May 15, 2006 | Midday | 4-1-9 | 14 | 5 |